In one of the practical tests carried out, 1 to 6 grams of cinnamon were given to 2 
sets of volunteers for over a period of 40days. In type 1 diabetes, the body 
produces little or no insulin for persons with this type of diabetes should be treated with 
insulin throughout their lives. Afrezza should not be used 
in patients with chronic lung disease, such as asthma or COPD 
because of this risk.